102222121300 has 36 divisors (see below), whose sum is σ = 238885237276. Its totient is φ = 37743552000.

The previous prime is 102222121283. The next prime is 102222121319. The reversal of 102222121300 is 3121222201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 484088004 + 101738033296 = 22002^2 + 318964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39314901 + ... + 39317500.

Almost surely, 2^102222121300 is an apocalyptic number.

102222121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222121300 is an abundant number, since it is smaller than the sum of its proper divisors (136663115976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102222121300 is a wasteful number, since it uses less digits than its factorization.

102222121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78632428 (or 78632421 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102222121300 its reverse (3121222201), we get a palindrome (105343343501).

The spelling of 102222121300 in words is "one hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, three hundred".